M3.3 earthquake 12 km N of Howard, Colorado
A magnitude 3.3 earthquake struck 12 km N of Howard, Colorado on Sat, Mar 16, 1985, 2:55 PM MST (21:55 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ml), minor
- Local time
- UTC
- 1985-03-16 21:55:02 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 38.558° N, 105.850° W
- Region
- Colorado
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002cyj. Read Tue, Sep 22, 2026, 6:33 AM UTC.